Remove the Dromaeo and TodoMVC samples.

samples/third_party/todomvc_performance/web/elements/td_todos.html

Index: samples/third_party/todomvc_performance/web/elements/td_todos.html
diff --git a/samples/third_party/todomvc_performance/web/elements/td_todos.html b/samples/third_party/todomvc_performance/web/elements/td_todos.html
deleted file mode 100644
index 4d84f60b51a54dff26c8a44c487a74714e44316b..0000000000000000000000000000000000000000
--- a/samples/third_party/todomvc_performance/web/elements/td_todos.html
+++ /dev/null
@@ -1,51 +0,0 @@
-<link rel="import" href="../lib-elements/polymer-selector.html">
-<link rel="import" href="../lib-elements/simple_router.html">
-<link rel="import" href="td_input.html">
-<link rel="import" href="td_item.html">
-
-<polymer-element name="td-todos">
-  <template>
-    <link rel="stylesheet" href="td_todos.css">
-    <simple-router on-route="{{routeAction}}"></simple-router>
-    <section id="todoapp">
-      <header id="header">
-        <input is="td-input" id="new-todo" placeholder="What needs to be done?"
-            autofocus on-td-input-commit="{{addTodoAction}}"
-            on-td-input-cancel="{{cancelAddTodoAction}}">
-      </header>
-      <section id="main" hidden?="{{model.items.length == 0}}">
-        <input id="toggle-all" type="checkbox"
-            on-change="{{toggleAllCompletedAction}}"
-            checked="{{model.allCompleted}}">
-        <label for="toggle-all">Mark all as complete</label>
-        <ul id="todo-list" on-td-item-changed="{{itemChangedAction}}"
-            on-td-destroy-item="{{destroyItemAction}}">
-          <template repeat="{{model.filtered}}">
-            <li is="td-item" item="{{}}"></li>
-          </template>
-        </ul>
-      </section>
-      <footer id="footer" hidden?="{{model.items.length == 0}}">
-        <span id="todo-count"><strong>{{model.activeCount}}</strong>
-            {{model.activeItemWord}} left</span>
-        <polymer-selector id="filters" selected="{{activeRoute}}">
-          <li label="all">
-            <a href="{{baseUri}}#/">All</a>
-          </li>
-          <li label="active">
-            <a href="{{baseUri}}#/active">Active</a>
-          </li>
-          <li label="completed">
-            <a href="{{baseUri}}#/completed">Completed</a>
-          </li>
-        </polymer-selector>
-        <button hidden?="{{model.completedCount == 0}}" id="clear-completed"
-            on-click="{{clearCompletedAction}}">Clear completed
-            ({{model.completedCount}})</button>
-      </footer>
-    </section>
-  </template>
-
-  <script type="application/dart" src="td_todos.dart"></script>
-
-</polymer-element>